1421234 has 8 divisors (see below), whose sum is σ = 2257308. Its totient is φ = 668800.

The previous prime is 1421227. The next prime is 1421243. The reversal of 1421234 is 4321241.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 64009 = 1165^2 + 253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20867 + ... + 20934.

2^1421234 is an apocalyptic number.

1421234 is a deficient number, since it is larger than the sum of its proper divisors (836074).

1421234 is a wasteful number, since it uses less digits than its factorization.

1421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41820.

The product of its digits is 192, while the sum is 17.

The square root of 1421234 is about 1192.1551912398. The cubic root of 1421234 is about 112.4316358310.

Adding to 1421234 its reverse (4321241), we get a palindrome (5742475).

The spelling of 1421234 in words is "one million, four hundred twenty-one thousand, two hundred thirty-four".